Linux administrators who want to modify files without overwriting the original have many options, but one of the most efficient tools is the stream editor -- or sed. The stream editor is a default ...

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable ...

sed, which stands for 'stream editor,' offers many options for selecting content from a command or a file and changing it as requested. The sed command on Linux can be used in quite a few different ...

The only thing wrong with sed is that most of us barely grasp how powerful it is. We use it in pipes to change "this" to "that", but we rarely consider it for the big editing jobs where it could save ...

Oh, the memories of utilities I haven't used in many years.... Incidentally, you can do a lot of these command-line exercises almost as succinctly with perl one-liners, which is one reason why perl ...

A key point to these tools (from a practical point ) is that they are very memory efficient and allow work on just a "line".